Saint Mary's County (California)
December
Weather in Saint Mary's County, Maryland for December 2026
Your guide to Saint Mary's County weather in December - trends and predictions
Snowfall in Saint Mary's County during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Saint Mary's County at the beginning of December is 5.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.1 °C by the end of December.
The climate of Saint Mary's County in December is notably wet, with an average of 12 rainy days, and a total of 136.7 mm of precipitation.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
1
Snow days
6°/1°
Temperatures
24 km/h
Avg max wind
70 %
Avg humidity
Saint Mary's County Weather December
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Temperatures trend during December in Saint Mary's County
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December weather in Saint Mary's County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 6° /0° | 0.1 mm | 0 cm | |
| Dec. 2 |  Partly cloudy | 8° /1° | 28.2 mm | 0 cm | |
| Dec. 3 |  Sunny | 6° /0° | 0 mm | 0 cm | |
| Dec. 4 | Partly cloudy | 7° /0° | 0 mm | 0 cm | |
| Dec. 5 |  Patchy rain possible | 4° /-1° | 10 mm | 0 cm | |
| Dec. 6 | Sunny | 5° /0° | 0 mm | 0 cm | |
| Dec. 7 | Partly cloudy | 5° /0° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 8° /1° | 0 mm | 0 cm | |
| Dec. 9 |  Heavy rain at times | 8° /2° | 0.8 mm | 0 cm | |
| Dec. 10 | Overcast | 11° /4° | 2.7 mm | 0 cm | |
| Dec. 11 |  Moderate or heavy rain shower | 10° /2° | 37.8 mm | 0 cm | |
| Dec. 12 | Sunny | 4° /1° | 0 mm | 0 cm | |
| Dec. 13 |  Cloudy | 6° /1° | 0 mm | 0 cm | |
| Dec. 14 | Partly cloudy | 4° /-2° | 5.1 mm | 2.1 cm | |
| Dec. 15 | Overcast | 4° /-2° | 1.1 mm | 0 cm | |
| Dec. 16 | Moderate rain at times | 8° /3° | 2.2 mm | 0 cm | |
| Dec. 17 | Overcast | 12° /6° | 0 mm | 0 cm | |
| Dec. 18 | Overcast | 10° /4° | 0.6 mm | 0 cm | |
| Dec. 19 | Overcast | 11° /3° | 12.7 mm | 0 cm | |
| Dec. 20 | Patchy rain possible | 4° /1° | 0.3 mm | 0 cm | |
| Dec. 21 | Overcast | 6° /1° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | 3° /-2° | 0 mm | 0 cm | |
| Dec. 23 | Cloudy | 4° /0° | 0 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 5° /2° | 0.2 mm | 0 cm | |
| Dec. 25 | Cloudy | 5° /2° | 8.6 mm | 0 cm | |
| Dec. 26 | Cloudy | 4° /0° | 0 mm | 0 cm | |
| Dec. 27 | Partly cloudy | 5° /1° | 5.7 mm | 0 cm | |
| Dec. 28 | Moderate rain at times | 8° /2° | 1.9 mm | 0 cm | |
| Dec. 29 | Overcast | 13° /5° | 9.1 mm | 0 cm | |
| Dec. 30 | Moderate or heavy rain shower | 8° /3° | 9.4 mm | 0 cm | |
| Dec. 31 | Cloudy | 7° /2° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Saint Mary's County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Mary's County forecast closer to your planned date for the most up-to-date weather information.
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Saint Mary's County in December - FAQ
What are the expected maximum and minimum temperatures in Saint Mary's County during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 1°.
How much rainfall should be expected in Saint Mary's County during December?
Significant rainfall exceeding 136.7 mm is expected in Saint Mary's County during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint Mary's County in December 2026?
Saint Mary's County typically sees 2.13 cm of snowfall during December.
What are the typical wind conditions in Saint Mary's County during December?
The average wind speed in Saint Mary's County during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Saint Mary's County snow forecast December 2026
Track daily snowfall levels and discover Saint Mary's County’s snowy potential this December ❄️
On average, Saint Mary's County sees 1 snowy days during December, with approximately 2.1 cm of total snowfall.
December rainfall patterns in Saint Mary's County
Explore the daily rainfall trends and prepare for Saint Mary's Countys December weather 💧
Typically, Saint Mary's County has 12 rainy days in December with a total of 136.7 mm of rainfall.
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Where is Saint Mary's County?Get accurate weather forecasts for Saint Mary's County, located at latitude 38.3 and longitude -76.507. Stay updated with localized weather information tailored for Saint Mary's County.
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